code: def test_attrprint():
      assert (
          attrprint({"color": "blue", "shape": "ellipse"})
          == '"color"="blue", "shape"="ellipse"'
      )
  
file_path: sympy/sympy/printing/tests/test_dot.py
imports: from sympy.printing.dot import purestr, styleof, attrprint, dotnode, dotedges, dotprint
  from sympy.core.basic import Basic
  from sympy.core.expr import Expr
  from sympy.core.numbers import Float, Integer
  from sympy.core.singleton import S
  from sympy.core.symbol import Symbol, symbols
  from sympy.printing.repr import srepr
  from sympy.abc import x
label_desc: Use image node_id 3 for calling a global function with example usage: test_attrprint() without return types